import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../views/login.vue'
import Home from '../views/home.vue'

Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  { path: '/home', component: Home }
]

const router = new VueRouter({
  routes
})
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从那个路径跳转过来
  // next是个函数 表示放行
  // next()放行 next('/login')强制跳转
  if(to.path==='/login')return next()
const token=sessionStorage.getItem('token')
if(!token){
  next('/login')
}else{
  next()
}

})
export default router
